mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-28 16:43:58 +00:00
50 lines
1.1 KiB
Nix
50 lines
1.1 KiB
Nix
{ lib
|
|
, fetchurl
|
|
, runCommand
|
|
, writeText
|
|
}:
|
|
|
|
{ name ? "deps"
|
|
, data
|
|
, dontFixup ? true
|
|
, ...
|
|
}
|
|
@ attrs:
|
|
|
|
let
|
|
data' = builtins.removeAttrs
|
|
(if builtins.isPath data then lib.importJSON data else data)
|
|
[ "!version" ];
|
|
|
|
urlToPath = url:
|
|
if lib.hasPrefix "https://" url then (
|
|
let
|
|
url' = lib.drop 2 (lib.splitString "/" url);
|
|
in "https/${builtins.concatStringsSep "/" url'}"
|
|
)
|
|
else builtins.replaceStrings ["://"] ["/"] url;
|
|
code = ''
|
|
mkdir -p "$out"
|
|
cd "$out"
|
|
'' + builtins.concatStringsSep "" (lib.mapAttrsToList (url: info:
|
|
let
|
|
key = builtins.head (builtins.attrNames info);
|
|
val = info.${key};
|
|
path = urlToPath url;
|
|
name = baseNameOf path;
|
|
source = {
|
|
redirect = "$out/${urlToPath val}";
|
|
hash = fetchurl { inherit url; hash = val; };
|
|
text = writeText name val;
|
|
}.${key} or (throw "Unknown key: ${url}");
|
|
in ''
|
|
mkdir -p "${dirOf path}"
|
|
ln -s "${source}" "${path}"
|
|
'') data');
|
|
in
|
|
runCommand name (builtins.removeAttrs attrs [ "name" "data" ] // {
|
|
passthru = (attrs.passthru or {}) // {
|
|
data = writeText "deps.json" (builtins.toJSON data);
|
|
};
|
|
}) code
|